Patents by Inventor Shuan-Guan Tuao

Shuan-Guan Tuao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Controller of decorative light sets
    Patent number: 5312274
    Abstract: A controller relates to a controller for decorative light sets, which has been provided with a connecter having flutes which can engage with several electric wires of light sets easily and lets every metal terminal of wires contact directly with a related metal piece on an IC board in the controller for an electrical connection.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: May 17, 1994
    Inventor: Shuan-Guan Tuao
  • Controller box for decorative lights
    Patent number: D346363
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: April 26, 1994
    Inventor: Shuan-Guan Tuao